CN1746960A - 用于产生和控制模拟驱动电压和共电极电压的装置和方法 - Google Patents
用于产生和控制模拟驱动电压和共电极电压的装置和方法 Download PDFInfo
- Publication number
- CN1746960A CN1746960A CNA2005100919695A CN200510091969A CN1746960A CN 1746960 A CN1746960 A CN 1746960A CN A2005100919695 A CNA2005100919695 A CN A2005100919695A CN 200510091969 A CN200510091969 A CN 200510091969A CN 1746960 A CN1746960 A CN 1746960A
- Authority
- CN
- China
- Prior art keywords
- voltage
- common electrode
- ripple
- level
- analog drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3696—Generation of voltages supplied to electrode drivers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
- H02M1/15—Arrangements for reducing ripples from dc input or output using active elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
Abstract
Description
AVDD | 对比率 | 液晶显示面板的电流消耗(MAX) |
7.0V | 300∶1 | 360mA |
7.4V | 330∶1 | 405mA |
7.6V | 350∶1 | 420mA |
7.8V | 380∶1 | 450mA |
8.0V | 400∶1 | 470mA |
AVDD电压的波纹振幅(mV) | 波纹电平 | 调整的AVDD电压(V) |
300以上 | 高 | 7.6 |
200~300 | 中 | 7.8 |
100~200 | 低 | 8.0 |
Claims (23)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040071287A KR101056373B1 (ko) | 2004-09-07 | 2004-09-07 | 액정 표시 장치의 아날로그 구동 전압 및 공통 전극 전압발생 장치 및 액정 표시 장치의 아날로그 구동 전압 및공통 전극 전압 제어 방법 |
KR71287/04 | 2004-09-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1746960A true CN1746960A (zh) | 2006-03-15 |
CN100481197C CN100481197C (zh) | 2009-04-22 |
Family
ID=36158519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100919695A Expired - Fee Related CN100481197C (zh) | 2004-09-07 | 2005-08-15 | 用于产生和控制模拟驱动电压和共电极电压的装置和方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7821512B2 (zh) |
JP (1) | JP4730685B2 (zh) |
KR (1) | KR101056373B1 (zh) |
CN (1) | CN100481197C (zh) |
TW (1) | TWI395175B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101344657B (zh) * | 2007-07-13 | 2010-07-14 | 群康科技(深圳)有限公司 | 液晶显示器及其公共电压驱动方法 |
CN111369942A (zh) * | 2020-03-26 | 2020-07-03 | 维沃移动通信有限公司 | 驱动电压调整方法和电子设备 |
CN112382248A (zh) * | 2020-11-06 | 2021-02-19 | 昆山龙腾光电股份有限公司 | 一种驱动电路及显示装置 |
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US7564734B2 (en) * | 2005-06-30 | 2009-07-21 | Seiko Epson Corporation | Integrated circuit device and electronic instrument |
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-
2004
- 2004-09-07 KR KR1020040071287A patent/KR101056373B1/ko not_active IP Right Cessation
- 2004-11-30 JP JP2004345822A patent/JP4730685B2/ja not_active Expired - Fee Related
-
2005
- 2005-06-23 US US11/166,689 patent/US7821512B2/en not_active Expired - Fee Related
- 2005-07-07 TW TW094123064A patent/TWI395175B/zh not_active IP Right Cessation
- 2005-08-15 CN CNB2005100919695A patent/CN100481197C/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101344657B (zh) * | 2007-07-13 | 2010-07-14 | 群康科技(深圳)有限公司 | 液晶显示器及其公共电压驱动方法 |
CN111369942A (zh) * | 2020-03-26 | 2020-07-03 | 维沃移动通信有限公司 | 驱动电压调整方法和电子设备 |
CN111369942B (zh) * | 2020-03-26 | 2022-01-14 | 维沃移动通信有限公司 | 驱动电压调整方法和电子设备 |
CN112382248A (zh) * | 2020-11-06 | 2021-02-19 | 昆山龙腾光电股份有限公司 | 一种驱动电路及显示装置 |
CN112382248B (zh) * | 2020-11-06 | 2022-02-15 | 昆山龙腾光电股份有限公司 | 一种驱动电路及显示装置 |
Also Published As
Publication number | Publication date |
---|---|
CN100481197C (zh) | 2009-04-22 |
TW200625231A (en) | 2006-07-16 |
JP4730685B2 (ja) | 2011-07-20 |
JP2006079044A (ja) | 2006-03-23 |
TWI395175B (zh) | 2013-05-01 |
US7821512B2 (en) | 2010-10-26 |
US20060050042A1 (en) | 2006-03-09 |
KR20060022458A (ko) | 2006-03-10 |
KR101056373B1 (ko) | 2011-08-11 |
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